King James Version
And Moses returned unto the LORD, and said, Lord, wherefore hast thou so evil entreated this people? why is it that thou hast sent me?English Standard Version
Then Moses turned to the LORD and said, "O LORD, why have you done evil to this people? Why did you ever send me?New International Version
Moses returned to the LORD and said, "O Lord, why have you brought trouble upon this people? Is this why you sent me?